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Accuracy of Estrogen and Progesterone Receptor Assessment in Core Needle Biopsy Specimens of Breast Cancer
Breast Neoplasm Carcinoma Estrogen Progesterone
2015/9/30
Background: Diagnosis of breast cancer is completed through core needle biopsy (CNB) of the tumors but there is controversy on the accuracy of hormone receptor results on CNB specimens.
In vivo effect of 17-β-estradiol, progesterone, hCG and expression of P53 and P21 in endometrial Ishikawa cells
Ishikawa cells 17-β-estradiol Progesterone hCG P53 P21 Endometrium
2013/1/31
Purpose: The study examined the effect of 17-β-estradiol, progesterone and hCG on cell proliferation and the effect of cell cycles regulating P53 and P21 protein on expression levels of Ishikawa endom...
Comparison of Intramuscular and Intravaginal Progesterone for Luteal Phase Support in IVF Cycles: a randomized clinical trial
Rapid ZIFT Chemical pregnancy Clinical pregnancy Progesterone
2009/12/7
Objective: This research was designed to compare the effectiveness of intramuscular progesterone and vaginal progesterone to support luteal phase in IVF cycles. Materials and Methods: In this randomiz...
The Effect of Zinc Deficiency on Zinc Status,Carbohydrate Metabolism and Progesterone Level in Pregnant Rats
Zinc pregnancy transaminases carbohydrate progesterone alkaline phosphatase
2009/6/19
Aim: Our aim was to investigate the effect of low dietary zinc intake in late gestation on zinc status, transaminases and alkaline phosphatase activities, carbohydrate metabolism and progesterone leve...
Estriol and Progesterone：A New Role for Sex Hormones
estriol progesterone autoimmune diseases traumatic brain injury
2009/4/20
The physiological states pregnancy and parturition are undoubtedly associated with clinical changes of most of the autoimmune diseases. An altered Th1/Th2 balance has been proposed as an underlying me...
Effects of electroejaculation and ketamine-HCI on serum cortisol, progesterone, and testosterone in the male cat
stress adrenal anesthesia
2009/2/20
The influence of manual restraint, ketamine-hydrochloride anesthesia and electroejaculation under anesthesia on circulating levels of cortisol, progesterone and testosterone was examined in male d...
Nature of the Clearance of Exogenous Testosterone and Progesterone in Ejaculated Bovine Semen
progesterone testosterone blood semen ejaculated
2009/2/19
Plasma and semen concentrations of androgens and progestins were not influenced by repetitive ejaculation in bulls. Within 20 minutes after the injection of testosterone (100 mg Intravenously), plas...
Acrosome reaction in dog sperm is induced by a membrane-localized progesterone receptor
Canine spermatozoa prostatic fluid
2009/2/18
The aim of this study was to investigate whether the dog sperm acrosome reaction can be induced by progesterone and whether the action of progesterone is mediated by binding of progesterone to a r...
Bicarbonate-dependent lipid ordering and protein aggregation are part of the nongenomic action of progesterone on capacitated spermatozoa
Capacitation acrosome reaction membrane bicuculline
2009/2/18
The nongenomic action of progesterone (P) on capacitated sperm in mediating acrosomal exocytosis operates through transmembrane signal transduction involving increased intracellular calcium ions and...
Human sperm capacitation induced by biological fluids and progesterone, but not by NADH or NADPH, is associated with the production of superoxide anion
Spermatozoa MCLA reactive oxygen species sperm hyperactivation protein tyrosine
2009/2/17
Recent evidence indicated that human sperm capacitation is associated with an increased production of superoxide anion (O2.-). To further study the role and importance of O2.- in capacitation, we in...
Chloride efflux during the progesterone-initiated human sperm acrosome reaction is inhibited by lavendustin A, a tyrosine kinase inhibitor
GABAA receptor Cl- channel
2009/2/16
Previous studies showed that progesterone (P) can initiate the mammalian sperm acrosome reaction (AR) in vitro and that a sperm GABAA-like receptor/Cl- channel is involved in an essential Cl- effl...
Importance of bicarbonate to the progesterone-initiated human sperm acrosome reaction
Anion channel bicarbonate sperm acrosome reaction
2009/2/13
Progesterone, a putative in vivo initiator of the human sperm acrosome reaction (AR), has previously been shown to act at the sperm plasma membrane to initiate the AR in vitro. Here, we have investi...
Capacitation in vitro of stallion spermatozoa：comparison of progesterone-induced acrosome reactions in fertile and subfertile males
Equine male gamete infertility acrosomal
2009/2/13
Mammalian sperm that have completed capacitation are capable of undergoing the acrosome reaction in response to a number of biological and chemical stimuli. In the present report, we have investig...
Decreased responsiveness to progesterone of spermatozoa in oligozoospermic patients
Oligozoospermia progesterone sperm intracellular calcium concentration acrosome reaction capacitation
2009/2/11
Spermatozoa from oligozoospermic subjects are characterized by a reduced in vitro ability to penetrate hamster oocytes and by a decreased responsiveness to physiological stimuli that trigger the a...
Intracellular calcium accumulation and responsiveness to progesterone in capacitating human spermatozoa
Spermatozoa [Ca2+]i progesterone capacitation
2009/2/7
Progesterone induced a rapid, long-lasting, dose-dependent increase of intracellular free calcium concentration ([Ca2+]i) in human sperm capacitated overnight. This effect was not counteracted by th...